Answer:
Triangle
Step-by-step explanation:
A triangle has three vertexes, and therefore three interior angles. Those angles also sum to 180 degrees because of the formula (n-2)*180, where n is the number of sides that a polygon has. Plugging in 3, you get
, or just 180 degrees. Hope this helps!
31.

32.

33.

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Answer:
x= -11
Step-by-step explanation:
Answer:
area = (1/2) · (p + q) · h
Step-by-step explanation:
A right angle triangle normally relates to Pythagoras Theorem , and this is related to the hypotenuse, the answer maybe the hypotenuse. As the other sides are the opposite and alternative